package com.itheima.service;

import com.itheima.pojo.EmpGender;
import com.itheima.pojo.EmpJobData;
import com.itheima.pojo.StudentCountData;
import com.itheima.pojo.StudentDegree;

import java.util.List;

public interface ReportService {
    /**
     * 职位人数统计
     */
    EmpJobData empJobData();

    /**
     * 性别人数统计
     */
    List<EmpGender> empGenderData();

    /**
     * 学历人数统计
     */
    List<StudentDegree> studentDegreeData();

    /**
     * 班级人数统计
     */
    StudentCountData studentCountData();
}
